electronic track scale

例句：

1. 1.The engineer used an electronic track scale to measure the distance between the rails.
   工程师使用电子轨道尺测量铁轨之间的距离。
2. 2. The construction crew was using an electronic track scale to ensure that the new bridge would fit perfectly into the existing structure.
   施工团队正在使用电子轨道尺确保新桥梁能够完美地融入现有结构。
3. 3. The surveyor used an electronic track scale to measure the depth of the foundation pit.
   测量师使用电子轨道尺来测量地基坑的深度。